remedy vs medicinal drug

remedy and medicinal drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
remedy	Yes	No	Yes	No
medicinal drug	Yes	No	No	No

As nouns, medicinal drug is a hypernym of remedy; that is, medicinal drug is a word with a broader meaning than remedy:

remedy: a medicine or therapy that cures disease or relieve pain
medicinal drug: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of remedy include medicament, medication, medicine.

remedy (noun)	medicinal drug (noun)
act of correcting an error or a fault or an evil	(medicine) something that treats or prevents or alleviates the symptoms of disease
a medicine or therapy that cures disease or relieve pain

remedy (verb)	medicinal drug (verb)
provide relief for
set straight or right